639342600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{81967}}^1$

素因数の和:81999

約数の個数: 96

約数和(自身を含む): 2134446720

約数和(自身を除く): 1495104120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 81967, 163934, 245901, 327868, 409835, 491802, 655736, 819670, 983604, 1065571, 1229505, 1639340, 1967208, 2049175, 2131142, 2459010, 3196713, 3278680, 4098350, 4262284, 4918020, 5327855, 6147525, 6393426, 8196700, 8524568, 9836040, 10655710, 12295050, 12786852, 15983565, 16393400, 21311420, 24590100, 25573704, 26639275, 31967130, 42622840, 49180200, 53278550, 63934260, 79917825, 106557100, 127868520, 159835650, 213114200, 319671300, 639342600]

約数ペア:

[(1, 639342600), (2, 319671300), (3, 213114200), (4, 159835650), (5, 127868520), (6, 106557100), (8, 79917825), (10, 63934260), (12, 53278550), (13, 49180200), (15, 42622840), (20, 31967130), (24, 26639275), (25, 25573704), (26, 24590100), (30, 21311420), (39, 16393400), (40, 15983565), (50, 12786852), (52, 12295050), (60, 10655710), (65, 9836040), (75, 8524568), (78, 8196700), (100, 6393426), (104, 6147525), (120, 5327855), (130, 4918020), (150, 4262284), (156, 4098350), (195, 3278680), (200, 3196713), (260, 2459010), (300, 2131142), (312, 2049175), (325, 1967208), (390, 1639340), (520, 1229505), (600, 1065571), (650, 983604), (780, 819670), (975, 655736), (1300, 491802), (1560, 409835), (1950, 327868), (2600, 245901), (3900, 163934), (7800, 81967)]